Diagnosis considers eating patterns, body mass and blood tests, as well as attitudes towards eating and body image. The SCOFF screening tool is a set of five questions devised in 1999. SCOFF is a mnemonic (Sick, Control, One stone, Fat, Food) and answering yes to two or more questions indicates a likely diagnosis of anorexia or bulimia:^3,5,12

• Do you make yourself Sick because you feel uncomfortably full?
• Do you worry that you have lost Control over how much you eat?
• Have you recently lost more than One stone (14 lb or 6.4kg) in a 3-month period?
• Do you believe yourself to be Fat when others say you are too thin?
• Would you say that Food dominates your life?